13213418 has 8 divisors (see below), whose sum is σ = 19894080. Its totient is φ = 6582060.

The previous prime is 13213399. The next prime is 13213423. The reversal of 13213418 is 81431231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13213393 and 13213402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11648 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (2486760).

Almost surely, 2^13213418 is an apocalyptic number.

13213418 is a deficient number, since it is larger than the sum of its proper divisors (6680662).

13213418 is a wasteful number, since it uses less digits than its factorization.

13213418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24652.

The product of its digits is 576, while the sum is 23.

The square root of 13213418 is about 3635.0265473584. The cubic root of 13213418 is about 236.4132017177.

Adding to 13213418 its reverse (81431231), we get a palindrome (94644649).

It can be divided in two parts, 13213 and 418, that added together give a palindrome (13631).

The spelling of 13213418 in words is "thirteen million, two hundred thirteen thousand, four hundred eighteen".